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ppmqvga - 8 plane quantization
ppmqvga [ options ] [ input
file ]
ppmqvga quantizes PPM files to 8 planes, with optional
Floyd-Steinberg dithering. Input is a PPM file from the file named, or standard
input of no file is provided.
-d dither. Apply Floyd-Steinberg dithering
to the data
-q quiet. Produces no progress reporting, and no terminal output
unless and error occurs.
-v verbose. Produces additional output describing
the number of colors found, and some information on the resulting mapping.
May be repeated to generate loads of internal table output, but generally
only useful once.
ppmqvga -d my_image.ppm | ppmtogif >my_image.gif
tgatoppm
zombie.tga | ppmqvga | ppmtotif > zombie.tif
ppmquant
Error
messages if problems, various levels of optional progress reporting.
none
known.
Original by Lyle Rains (lrains@netcom.com) as ppmq256 and ppmq256fs
combined, documented, and enhanced by Bill Davidsen (davidsen@crd.ge.com)
Copyright 1991,1992 by Bill Davidsen, all rights reserved. The
program and documentation may be freely distributed by anyone in source
or binary format. Please clearly note any changes.
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